16020146 has 8 divisors (see below), whose sum is σ = 24169644. Its totient is φ = 7963600.

The previous prime is 16020133. The next prime is 16020157. The reversal of 16020146 is 64102061.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15689521 + 330625 = 3961^2 + 575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16020146² = 513290155722632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22805 + ... + 23496.

Almost surely, 2^16020146 is an apocalyptic number.

16020146 is a deficient number, since it is larger than the sum of its proper divisors (8149498).

16020146 is a wasteful number, since it uses less digits than its factorization.

16020146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46476.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 16020146 is about 4002.5174578008. The cubic root of 16020146 is about 252.0899254945.

The spelling of 16020146 in words is "sixteen million, twenty thousand, one hundred forty-six".